Re: Sessions

On Sun, 2008-09-14 at 18:04 +0100, Stut wrote: > On 14 Sep 2008, at 17:03, Tom Shaw wrote: > > When you start a session using session_start() and start adding > > indexes to > > the session super global array a small cookie is set on the clients > > side > > that keeps track of the user, and the session index data that you > > create is > > stored only in the memory on the server side unless specified in the > > PHP > > file to store the session data in some specified directory or means > > db. Plus > > you can access and manipulate the session array just like you could > > any > > other array. > > By default session data is stored in files in /tmp. This can be > changed in php.ini. You can also completely override the session > management system allowing you to store the data anywhere you want. > For example: http://stut.net/blog/2008/07/20/mysql-sessions/ > > You can indeed access and manipulate the session array just like any > other array but there's one important different. Session array keys > must be valid variable names. This means that you cannot use numeric > indexes, and there are a few other restrictions. For more info see the > manual (http://php.net/language.variables). > > -Stut > > -- > http://stut.net/ > Another caveat is that you must call session_start() before *any* content is sent to the browser, and this includes even a single space character. Ash www.ashleysheridan.co.uk